英语词汇“smog”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	smog
释义	smogsmog /smɑg, smɔg/ ●●○ noun [uncountable] Etymology ETYMOLOGYsmog Origin: 1900-2000 smoke + fog Thesaurus THESAURUSsubstances that make air, water, soil, etc. dirty and harmful to humans and other living things► pollution substances that make air, water, soil, etc. dirty and harmful to humans and other living things: Car exhaust emissions are a major source of pollution. ► smog dirty air in cities, caused especially by smoke from cars and trucks: The smog was so bad you couldn’t see the mountains from the city. ► greenhouse gases gases that surround the Earth and stop heat from escaping so that the air around the Earth gradually becomes warmer: The U.S. produces 25% of the world’s greenhouse gases. ► acid rain rain that has harmful acid in it, caused especially by smoke from cars and factories: Acid rain has killed the fish in the lake. ► contamination the fact of being dirty and unsafe to use, because harmful chemicals or other substances are there: Radioactive contamination was detected in the pipes. earth science unhealthy air, often brown in color, caused by gases from cars and smoke from factories, etc. ► see thesaurus at pollution—smoggy adjective
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